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  1. W

    Keihin carbs on 40Hp Yammy?

    My Selco says I should have Tekki or Nikki but mine are not. Why is that? It's a 94' SS 2-strk. and Keihin is clearly marked on them with the numbers 6H40B-HH03. Did I miss something?
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    Larger Carbs. for Yammy 40Hp?

    Could I slap on a set of larger carbs. on my 94'40Hp 2stk? Say 50-60 or 70's for some more UMMp? Everybody here has 40's and they love to race'um so I was thinkin' of getting in on the action. The carbs. along with some Boysen Reeds might do me good.Whatcha' tink?
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    Yamaha Carb. identifcation.

    I need to identify the carbs. on my 94' 40Hp HSMS .According to my Selco manual I should have Tekki or Nikki carbs. but I have Keihin's on mine. They are fairly large and square where as the others look small and are roundish in shape.None of the pics. in the book jive with what I have. They are...
  4. W

    Jury rigging tach for a man. start Yama.?

    I want to hook up a tach to my 94' 40Hp man. start, tiller handle motor. I just want to se where I'm so I can change props to get it where it needs to be.<br /> Can I get just a regular old tach from anywhere, hook it up to the motor with alligator clips and get an accurate reading? I don't...
  5. W

    Sneezing Yama 40Hp. on startup

    My 94' Yamaha 40Hp manual start can be a booger to start. Got new plugs so thats not it. I'll pump up the bulb with the choke open, pull it a few times and it'll crank, run a second or two, "sneeze" and cut off. Repeat, except fuel prime, same. Repeat a time or two and then I'll give it some...
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    Looking for opinion on value, not buyers

    I posted earlier and didn't know about the no selling rule for the BBS. My intentions were for an opinion on approx. value of my old motor and what someone thought it would be worth if I sold it for parts, whole or in pieces. I am not looking for a buyer on this board, absolutley not. I am not...
  7. W

    Sell ? Worth it?

    I had this post up and going and it got deleted for some reason or another so I'll try it again.
  8. W

    Boyseen Reeds. Worth it? Easy install?

    Got a 94' 40Hp Yamaha I want to give a little more pep to. Will Boyseen reeds do it and would it be noticable? Are they worth it? What are some pros and cons? Are they fairly easy to install? I'm mech. inclined and could do it except for a carb. adjustment if necc. Carbs. intimidate me for some...
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    Can't find coil anywhere.

    Got a 71' Model 800 80Hp Merc. Went to crank it up and I have no spark. Figured I try a coil first since my manual doesn't cover testing proceedures. It has a type III system. Know where I can find one? The serial# is 332-2983 off the coil itself. Anybody know how to test the power pack aswell...
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    Best foot oil?

    Got a '94 Yamaha 40hp in excellent shape. Well kept and not abused. What do you think is the best foot oil to use? Yamalube, Quicksilver,or synthetic Castrol,Mobil 1, Valvoline etc.? I love the green Quicksilver I put in my Mercruiser but will it matter in the Yamaha? Is Yamalube just as good or...
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